AU577355B2 - Pseudo-stereo reproduction - Google Patents

Pseudo-stereo reproduction

Info

Publication number
AU577355B2
AU577355B2 AU38955/85A AU3895585A AU577355B2 AU 577355 B2 AU577355 B2 AU 577355B2 AU 38955/85 A AU38955/85 A AU 38955/85A AU 3895585 A AU3895585 A AU 3895585A AU 577355 B2 AU577355 B2 AU 577355B2
Authority
AU
Australia
Prior art keywords
pseudo
stereo reproduction
stereo
reproduction
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
AU38955/85A
Other versions
AU3895585A (en
Inventor
David E. Blackmer
James H. Townsend Jr.
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
KINTEK Inc
Original Assignee
KINTEK Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by KINTEK Inc filed Critical KINTEK Inc
Publication of AU3895585A publication Critical patent/AU3895585A/en
Application granted granted Critical
Publication of AU577355B2 publication Critical patent/AU577355B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Stereophonic System (AREA)
  • Stereo-Broadcasting Methods (AREA)
AU38955/85A 1984-02-21 1985-02-19 Pseudo-stereo reproduction Ceased AU577355B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/581,660 US4589129A (en) 1984-02-21 1984-02-21 Signal decoding system
US581660 1995-12-29

Related Child Applications (1)

Application Number Title Priority Date Filing Date
AU20303/88A Division AU602107B2 (en) 1984-02-21 1988-08-02 Signal decoding system

Publications (2)

Publication Number Publication Date
AU3895585A AU3895585A (en) 1985-08-29
AU577355B2 true AU577355B2 (en) 1988-09-22

Family

ID=24326064

Family Applications (2)

Application Number Title Priority Date Filing Date
AU38955/85A Ceased AU577355B2 (en) 1984-02-21 1985-02-19 Pseudo-stereo reproduction
AU20303/88A Withdrawn - After Issue AU602107B2 (en) 1984-02-21 1988-08-02 Signal decoding system

Family Applications After (1)

Application Number Title Priority Date Filing Date
AU20303/88A Withdrawn - After Issue AU602107B2 (en) 1984-02-21 1988-08-02 Signal decoding system

Country Status (5)

Country Link
US (1) US4589129A (en)
JP (1) JPS60190043A (en)
AU (2) AU577355B2 (en)
CA (1) CA1225599A (en)
GB (1) GB2154835B (en)

Families Citing this family (41)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4696036A (en) * 1985-09-12 1987-09-22 Shure Brothers, Inc. Directional enhancement circuit
US4819269A (en) * 1987-07-21 1989-04-04 Hughes Aircraft Company Extended imaging split mode loudspeaker system
US5043970A (en) * 1988-01-06 1991-08-27 Lucasarts Entertainment Company Sound system with source material and surround timbre response correction, specified front and surround loudspeaker directionality, and multi-loudspeaker surround
US5222059A (en) * 1988-01-06 1993-06-22 Lucasfilm Ltd. Surround-sound system with motion picture soundtrack timbre correction, surround sound channel timbre correction, defined loudspeaker directionality, and reduced comb-filter effects
CA1312369C (en) * 1988-07-20 1993-01-05 Tsutomu Ishikawa Sound reproducer
JPH0228200U (en) * 1988-08-12 1990-02-23
US5216718A (en) * 1990-04-26 1993-06-01 Sanyo Electric Co., Ltd. Method and apparatus for processing audio signals
JP3108087B2 (en) * 1990-10-29 2000-11-13 パイオニア株式会社 Sound field correction device
US5251260A (en) * 1991-08-07 1993-10-05 Hughes Aircraft Company Audio surround system with stereo enhancement and directivity servos
US5319713A (en) * 1992-11-12 1994-06-07 Rocktron Corporation Multi dimensional sound circuit
JPH06332084A (en) * 1993-05-25 1994-12-02 Sony Corp Digital information reproducing device for movie film
FI102799B1 (en) * 1993-06-15 1999-02-15 Nokia Technology Gmbh Improved Dolby Prologic decoder
US5497425A (en) * 1994-03-07 1996-03-05 Rapoport; Robert J. Multi channel surround sound simulation device
TW247390B (en) * 1994-04-29 1995-05-11 Audio Products Int Corp Apparatus and method for adjusting levels between channels of a sound system
DE4440014C2 (en) * 1994-11-09 2002-02-07 Deutsche Telekom Ag Method and device for multi-channel sound reproduction
US5661808A (en) 1995-04-27 1997-08-26 Srs Labs, Inc. Stereo enhancement system
US5850453A (en) 1995-07-28 1998-12-15 Srs Labs, Inc. Acoustic correction apparatus
US6118876A (en) * 1995-09-07 2000-09-12 Rep Investment Limited Liability Company Surround sound speaker system for improved spatial effects
US5930370A (en) * 1995-09-07 1999-07-27 Rep Investment Limited Liability In-home theater surround sound speaker system
US5708719A (en) * 1995-09-07 1998-01-13 Rep Investment Limited Liability Company In-home theater surround sound speaker system
US5771295A (en) * 1995-12-26 1998-06-23 Rocktron Corporation 5-2-5 matrix system
US5970152A (en) * 1996-04-30 1999-10-19 Srs Labs, Inc. Audio enhancement system for use in a surround sound environment
US6052470A (en) * 1996-09-04 2000-04-18 Victor Company Of Japan, Ltd. System for processing audio surround signal
US5912976A (en) * 1996-11-07 1999-06-15 Srs Labs, Inc. Multi-channel audio enhancement system for use in recording and playback and methods for providing same
US6281749B1 (en) 1997-06-17 2001-08-28 Srs Labs, Inc. Sound enhancement system
US6694027B1 (en) 1999-03-09 2004-02-17 Smart Devices, Inc. Discrete multi-channel/5-2-5 matrix system
US7031474B1 (en) * 1999-10-04 2006-04-18 Srs Labs, Inc. Acoustic correction apparatus
TW510143B (en) * 1999-12-03 2002-11-11 Dolby Lab Licensing Corp Method for deriving at least three audio signals from two input audio signals
US6970567B1 (en) 1999-12-03 2005-11-29 Dolby Laboratories Licensing Corporation Method and apparatus for deriving at least one audio signal from two or more input audio signals
US6920223B1 (en) 1999-12-03 2005-07-19 Dolby Laboratories Licensing Corporation Method for deriving at least three audio signals from two input audio signals
US7277767B2 (en) 1999-12-10 2007-10-02 Srs Labs, Inc. System and method for enhanced streaming audio
CA2420671C (en) 2000-08-31 2011-12-13 Dolby Laboratories Licensing Corporation Method for apparatus for audio matrix decoding
JP2005502247A (en) * 2001-09-06 2005-01-20 コーニンクレッカ　フィリップス　エレクトロニクス　エヌ　ヴィ Audio playback device
US7251337B2 (en) * 2003-04-24 2007-07-31 Dolby Laboratories Licensing Corporation Volume control in movie theaters
CA2456373A1 (en) * 2004-02-10 2005-08-10 Simon Roy Stereo source common-mode signal eliminator
US7106411B2 (en) * 2004-05-05 2006-09-12 Imax Corporation Conversion of cinema theatre to a super cinema theatre
US8050434B1 (en) 2006-12-21 2011-11-01 Srs Labs, Inc. Multi-channel audio enhancement system
CN103329571B (en) 2011-01-04 2016-08-10 Dts有限责任公司 Immersion audio presentation systems
US9823892B2 (en) 2011-08-26 2017-11-21 Dts Llc Audio adjustment system
EP2759148A4 (en) * 2011-09-19 2014-10-08 Huawei Tech Co Ltd A method and an apparatus for generating an acoustic signal with an enhanced spatial effect
US9258664B2 (en) 2013-05-23 2016-02-09 Comhear, Inc. Headphone audio enhancement system

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3772479A (en) * 1971-10-19 1973-11-13 Motorola Inc Gain modified multi-channel audio system
GB1430195A (en) * 1972-03-07 1976-03-31 Tokyo Shibaura Electric Co Four-channel stereophonic sound reproducing system
GB1514162A (en) * 1974-03-25 1978-06-14 Ruggles W Directional enhancement system for quadraphonic decoders

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5313962B2 (en) * 1971-12-21 1978-05-13
JPS55960B2 (en) * 1972-06-16 1980-01-10
JPS5527517B2 (en) * 1972-12-01 1980-07-21
JPS503302A (en) * 1973-04-17 1975-01-14
JPS5645358B2 (en) * 1973-11-29 1981-10-26
JPS51132803A (en) * 1975-04-17 1976-11-18 Nippon Hoso Kyokai <Nhk> Sound field expander
JPS52125301A (en) * 1976-04-13 1977-10-21 Victor Co Of Japan Ltd Signal processing circuit

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3772479A (en) * 1971-10-19 1973-11-13 Motorola Inc Gain modified multi-channel audio system
GB1430195A (en) * 1972-03-07 1976-03-31 Tokyo Shibaura Electric Co Four-channel stereophonic sound reproducing system
GB1514162A (en) * 1974-03-25 1978-06-14 Ruggles W Directional enhancement system for quadraphonic decoders

Also Published As

Publication number Publication date
AU2030388A (en) 1988-11-03
CA1225599A (en) 1987-08-18
GB2154835B (en) 1987-11-25
US4589129A (en) 1986-05-13
AU602107B2 (en) 1990-09-27
AU3895585A (en) 1985-08-29
GB8503756D0 (en) 1985-03-20
JPS60190043A (en) 1985-09-27
GB2154835A (en) 1985-09-11

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